1. 直接写出得数。
$10×0.92=$ $6.2 - 4.9=$ $2.5÷0.5=$ $5.99×0.5×0=$
$10×3.5=$ $9.03÷3=$ $0.7^{2}=$ $3.6÷0.9 - 0.6=$
$19.4 - 4=$ $0.42÷0.7=$ $1÷0.01=$ $10 - 2.8 + 7.2=$
$20×30=$ $3.5 + 7.5=$ $1.5÷1.5=$ $(0.18 + 9)÷9=$
$6.4÷0.8=$ $0.5×3.14=$ $0.5 + 0.95=$ $0.1÷0.01 + 8.3=$
$1.29÷3=$ $4.2×7=$ $3×4.8=$ $2.9 + 3.7 + 2.1=$
$\frac{6}{7} + \frac{1}{2}=$ $\frac{5}{4} - \frac{1}{2}=$ $\frac{11}{15} + \frac{7}{15}=$ $\frac{3}{4} + \frac{5}{11} - \frac{3}{4}=$
$\frac{1}{2} - \frac{1}{8}=$ $\frac{2}{3} - \frac{1}{5}=$ $\frac{17}{18} - \frac{5}{6}=$ $1 - \frac{1}{6} - \frac{5}{6}=$

1. 9.2 1.3 5 0
35 3.01 0.49 3.4
15.4 0.6 100 14.4
600 11 1 1.02
8 1.57 1.45 18.3
0.43 29.4 14.4 8.7
$\frac{19}{14} \frac{3}{4} \frac{6}{5} \frac{5}{11}$
$\frac{3}{8} \frac{7}{15} \frac{1}{9} 0$

2. 解方程。
$7.2x + 3.4 = 25$ $0.2x - 3.6 = 2.4$ $0.4(x - 0.15)÷0.01 = 4$

2. x = 3 x = 30 x = 0.25

3. 填一填。
$0.3m^{2} = ($ $)dm^{2}$ $0.5dm^{3} = ($ $)cm^{3}$ $5.96m^{3} = ($ $)dm^{3}$
$307L = ($ $)dm^{3}$ $6800cm^{3} = ($ $)dm^{3}$ $58000cm^{3} = ($ $)m^{3}$
$4660mL = ($ $)L$ $5.8L = ($ $)mL$ $2600dm^{3} = ($ $)m^{3}$

3. 30 500 5960
307 6.8 0.058
4.66 5800 2.6

4. 填表。

4. 94 cm² 60 cm³
4 dm 168 dm²
13 m² 3 m³
24 dm² 8 dm³